Converts Csv with header from a TextReader

ConvertFromCsv.cs

public static class ReadFromCsv {

    public static IEnumerable<IDictionary> asKeyValuePairs(this TextReader Reader_, string Delimiter_ = ";") {

        var splitThis = Delimiter_.asSplitter();

        var result = new List<Dictionary<string, object>>();

        var columns = splitThis(Reader_.ReadLine());

        string line;

        while ((line = Reader_.ReadLine()) != null) {

            if (line == string.Empty)
                continue;

            splitThis(line)
                .asRowWith(columns)
                .addTo(result);
        }

        return result;
    }

    private static Func<string, string[]> asSplitter(this string Delimiter_) {

        var separator = new[] { Delimiter_ };

        return Data_ => Data_.Split(separator, StringSplitOptions.None);
    }

    private static Dictionary<string, object> asRowWith(this IReadOnlyList<string> Entries_, IReadOnlyList<string> Columns_) {

        var row = new Dictionary<string, object>();

        for (var columnIndex = 0; columnIndex < Entries_.Count; columnIndex++) {
            row.Add(Columns_[columnIndex], Entries_[columnIndex]);
        }

        return row;
    }

    private static void addTo(this IEnumerable Row_, IList ToThis_) {
        ToThis_.Add(Row_);
    }
}